Color: Navy Blue Disc diameter: 32 mm Belt width: 14 mm Water resistance: 50 meters (for swimming, not for bathing in hot water) Light effect: the indicator scale uses phosphorus, the more abundant the light, the stronger the fluorescent effect at night Housing Material: ABS Strap Material: TPU Mirror Material: Acrylic Weight: 17g 【Time teaching children to watch】This analog watch adopts high-resolution acrylic mirror, which can clearly see the numbers and green hands of the dial, improving the effectiveness of time learning. 【Japanese movement and battery】 The kids analog watch uses of imported Japanese movements and batteries can keep the time accurate and prolong the running time of the watch. 【High quality and safe material】 Soft and comfortable TPU strap, lightweight and durable ABS case, easy to use stainless steel clasp, shockproof, drop resistant, safe and reliable children's watches. 【50M waterproof analog watch for kids】 50 meters life waterproof, can wash hands, swim, splash, rain, etc. but it cannot be used at high temperature and cannot pull out the knob in water.